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. Author manuscript; available in PMC: 2011 Jul 13.
Published in final edited form as: J Am Coll Cardiol. 2010 Jul 13;56(3):194–203. doi: 10.1016/j.jacc.2010.04.016

TABLE 1.

Patient Characteristics

Sex, male 2000/2720 (74%)
Age, years 59.3 ± 14.6
Indications N=2731
 ICD explants 638 (23.4%)
 VT/VF prior to ICD implant 439 (16.1%)
 Genetic predisposition to SCD 12 (0.4%)
 LVEF ≤ 35%
  Recent MI 341 (12.5%)
  Post-CABG 243 (8.9%)
  Nonischemic cardiomyopathy 546 (20.0%)
  Unspecified cardiomyopathy 222 (8.1%)
 LVEF >35%, Recent MI 104 (3.8%)
 Miscellaneous or unknown 186 (6.8%)
Duration of Monitoring, days 52.6 ± 69.9 (range 1-1590)

CABG = coronary artery bypass graft surgery, ICD = implantable cardioverter defibrillator, LVEF = left ventricular ejection fraction, MI = myocardial infarction, SCD = sudden cardiac death, VT/VF = ventricular tachycardia/ventricular fibrillation.